/Engine/Source/Runtime/Engine/Classes/Particles/ParticlePerfStatsManager.h
Simple stats listener that will gather stats on all systems for N frames and dump the results to a CSV and the Log.
class FParticlePerfStatsListener_TimedTest : public [FParticlePerfStatsListener_GatherAll](API\Runtime\Engine\Particles\FParticlePerfStatsListener_Gathe-)